Answer:
A. slavery or C working conditions of poor
That statement is true.
Object permanence is a very important step in a child development. It requires the capability to create a mental representation about that specific object.
This very development make the children understand that their parents do not actually disappear when they're playing a peek-a-boo
It could be B, C, or D. Sorry for the uncertainty.
Answer:
It sharply decressed their population
Explanation:
it is just something I remember
Politics, technology, consumerism, religion, & economy are all big parts of modern day culture.